100102021012073 has 2 divisors, whose sum is σ = 100102021012074. Its totient is φ = 100102021012072.

The previous prime is 100102021011953. The next prime is 100102021012109. The reversal of 100102021012073 is 370210120201001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96241534816729 + 3860486195344 = 9810277^2 + 1964812^2 .

It is a cyclic number.

It is not a de Polignac number, because 100102021012073 - 2¹⁰ = 100102021011049 is a prime.

It is a super-2 number, since 2×100102021012073² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100102021012373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50051010506036 + 50051010506037.

It is an arithmetic number, because the mean of its divisors is an integer number (50051010506037).

Almost surely, 2^{100102021012073} is an apocalyptic number.

It is an amenable number.

100102021012073 is a deficient number, since it is larger than the sum of its proper divisors (1).

100102021012073 is an equidigital number, since it uses as much as digits as its factorization.

100102021012073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 100102021012073 its reverse (370210120201001), we get a palindrome (470312141213074).

The spelling of 100102021012073 in words is "one hundred trillion, one hundred two billion, twenty-one million, twelve thousand, seventy-three".